Global Patent Index - EP 0264137 B1

EP 0264137 B1 19910612 - SCARLET MONOAZO COMPOUND HAVING TWO VINYLSULFONE TYPE FIBER REACTIVE GROUPS

Title (en)

SCARLET MONOAZO COMPOUND HAVING TWO VINYLSULFONE TYPE FIBER REACTIVE GROUPS

Publication

EP 0264137 B1 19910612 (EN)

Application

EP 87115146 A 19871016

Priority

  • JP 24820186 A 19861017
  • JP 29451486 A 19861209

Abstract (en)

[origin: EP0264137A1] A monoazo compound represented by the formula (I) in the free acid form, <CHEM> wherein D is a sulfophenyl or sulfonaphthyl, R1, R2 and R3 are independently hydrogen or alkyl; B1 and B2 are independently phenylene, naphthylene, or alkylene, provided that at least one of B1 and B2 is phenylene or naphthylene, Y1 and Y2 are independently vinyl or -CH2CH2Z in which Z is splittable by the action of an alkali, and n is 0 or 1, and the monoazo compound is useful for dyeing or printing fiber materials to obtain dyed or printed products of extremely deep scarlet color excellent in various fastness with superior build-up property.

IPC 1-7

C09B 62/51; D06P 1/384

IPC 8 full level

C09B 62/51 (2006.01)

CPC (source: EP KR US)

C09B 62/51 (2013.01 - EP KR US); D06P 3/10 (2013.01 - KR)

Citation (examination)

Designated contracting state (EPC)

BE CH DE ES FR GB IT LI NL SE

DOCDB simple family (publication)

EP 0264137 A1 19880420; EP 0264137 B1 19910612; DE 3770749 D1 19910718; ES 2022259 B3 19911201; KR 880005108 A 19880628; KR 960000173 B1 19960103; US 4904766 A 19900227

DOCDB simple family (application)

EP 87115146 A 19871016; DE 3770749 T 19871016; ES 87115146 T 19871016; KR 870011483 A 19871016; US 10679887 A 19871013